package com.yjz.middleware.netty;

import com.yjz.middleware.netty.codec.StudentCodec;
import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;

/**
 * @author :yuanJinZhong
 * @description: 学生协议客户端
 * @date :2018/11/27-10:59
 */
public class StudentProtocolClient {
  public static void main(String[] args) {
    String host = "127.0.0.1";
    int port = 8012;

    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
      Bootstrap b = new Bootstrap();
      b.group(workerGroup);
      b.channel(NioSocketChannel.class);
      b.option(ChannelOption.SO_KEEPALIVE, true);
      b.handler(new ChannelInitializer<SocketChannel>() {
        @Override
        protected void initChannel(SocketChannel ch) throws Exception {
          ch.pipeline().addLast(new StudentCodec()).addLast(new StudentProtocolClientHandler());
        }
      });
      //start the  client
      ChannelFuture f = null;
      f = b.connect(host, port).sync();

      // wait util the  connection is closed
      f.channel().closeFuture().sync();

    } catch (InterruptedException e) {
      e.printStackTrace();
    } finally {
      workerGroup.shutdownGracefully();
    }


  }
}
